<van-field 
v-model="model{{myItem.id}}" 
name="{{myItem.propValues.[1].value}}"
label="{{myItem.propValues.[1].value}}"
placeholder="{{myItem.propValues.[2].value}}" 
type="{{myItem.propValues.[3].value.chooseValue}}" 
required="{{myItem.propValues.[4].value}}" 
autosize="{{myItem.propValues.[5].value}}" 
input-align="{{myItem.propValues.[6].value.chooseValue}}" 
:rules="{{myItem.propValues.[7].value}}"
/>